9x+21+6x=4

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Solution for 9x+21+6x=4 equation: 



9x+21+6x=4

We move all terms to the left:

9x+21+6x-(4)=0

We add all the numbers together, and all the variables

15x+17=0

We move all terms containing x to the left, all other terms to the right

15x=-17

x=-17/15

x=-1+2/15

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